Microsoft Certified Azure Cosmos DB Developer Specialty (DP-420) Azure Cosmos DB’s global distribution model sets it apart from traditional relational database certifications. While general Azure developer credentials cover databases broadly, DP-420 drills into Cosmos DB’s specific strengths partition key strategy, multi-region replication, and tuning request units for cost efficiency. This specialty demands hands-on work with NoSQL design patterns that conventional SQL-focused certs skip entirely.
| Exam Name | Microsoft Certified Azure Cosmos DB Developer Specialty |
| Exam Code | DP-420 |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |
